Climate averages 1991–2020
Copiapó weather
in January.
A hot, very dry month: one of the warmest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a hot month in Copiapó: daytime highs average 29.4°C and nights cool to about 18.2°C. By daytime temperature it is one of the warmest months of the year.
Rain is very rare: less than 1 mm falls in a typical January (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 39 min on an average January day.
The nearest other city in this atlas is La Serena (296 km away). In January its highs average 25.8°C, 3.6°C cooler than Copiapó, with almost no rain (under 1 mm).
Among the 40 cities listed in Chile, Copiapó ranks 7th of 40 for the warmest January highs and joint 1st of 40 for the driest January (rainfall, lowest first). The mean January high of those 40 cities is 25.5°C; Copiapó is 3.9°C warmer than that mean.
From January to February, average highs stay level at 29.4°C, and monthly rainfall stays under 1 mm.
The annual picture
January in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Copiapó climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 29.4°C18.2°C | 18.2°C | 0.2 | 0.0 | 13.714 h |
| February | 29.4°C18.4°C | 18.4°C | 0.3 | 0.1 | 13.013 h |
| March | 28.5°C18.1°C | 18.1°C | 4.5 | 0.3 | 12.312 h |
| April | 26.6°C16.5°C | 16.5°C | 2.1 | 0.3 | 11.511 h |
| May | 24.7°C13.3°C | 13.3°C | 7.7 | 1.0 | 10.811 h |
| June | 23.4°C10.4°C | 10.4°C | 6.2 | 0.8 | 10.410 h |
| July | 23.0°C9.1°C | 9.1°C | 5.8 | 1.1 | 10.611 h |
| August | 24.2°C11.2°C | 11.2°C | 3.0 | 0.6 | 11.211 h |
| September | 25.2°C13.3°C | 13.3°C | 1.8 | 0.4 | 11.912 h |
| October | 26.6°C15.1°C | 15.1°C | 0.4 | 0.2 | 12.713 h |
| November | 27.7°C16.1°C | 16.1°C | 0.1 | 0.1 | 13.413 h |
| December | 28.6°C17.0°C | 17.0°C | 0.5 | 0.1 | 13.814 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
January in nearby cities
- La Serena in JanuaryChile · 296 kmHigh 25.8°C · Low 18.0°C · 0.2 mm rain
- Coquimbo in JanuaryChile · 304 kmHigh 24.3°C · Low 17.3°C · 0.2 mm rain
- Ovalle in JanuaryChile · 369 kmHigh 29.7°C · Low 16.9°C · 0.3 mm rain
- Antofagasta in JanuaryChile · 413 kmHigh 22.9°C · Low 16.5°C · 1.6 mm rain
- Catamarca in JanuaryArgentina · 463 kmHigh 29.2°C · Low 20.9°C · 167 mm rain
- San Juan, Argentina in JanuaryArgentina · 496 kmHigh 31.0°C · Low 19.2°C · 17 mm rain
- Rawson in JanuaryArgentina · 500 kmHigh 30.5°C · Low 18.5°C · 17 mm rain
- Calama in JanuaryChile · 564 kmHigh 24.8°C · Low 9.5°C · 8.7 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Copiapó) is explained once on the Copiapó year overview and on the Sources, method and limits page.